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191.

Although the oxytocin receptor gene (OXTR) is involved in aggression and social affiliation, it has not been examined in gene-environment interaction studies. This longitudinal study examined the effect of genetic variants in OXTR and its gene-environment interaction with perceived deviant peer affiliation in the trajectories of antisocial behavior in 323 adolescents (182 males) from 13 to 18 years. Annual assessments of reactive and proactive aggression, delinquency, and friends’ delinquency, as well as DNA at age 17 were collected. Gene-based tests yielded no main effect of OXTR, but revealed a significant gene-environment interaction in proactive aggression and delinquency. Variation in the OXTR might affect the influence of deviant peer affiliation on antisocial behavior, contributing to a better understanding of individual differences in antisocial behavior.

  相似文献   
192.
This article examines how Brazil was perceived internationally during the 2014 World Cup (2014WC), for which one of Brazil’s perceived objectives was to enhance its international image to play a more significant role on the world stage. Nine media outlets’ coverage of the 2014WC was analysed using the website Alexa. These outlets published 699 articles about diverse themes relating to Brazilian society. The outlets studied considered the event a success overall and emphasised Brazil’s natural beauty, but raised concerns about social problems such as inequality. We conclude that the 2014WC updated but did not fundamentally alter Brazil’s international image.  相似文献   
193.
The field of terrorism research has arguably long been characterized by a separation of the scholars from their subject of inquiry. Interviews can be used to bridge this chasm, but making contact with potential interviewees, conducting interviews, and analyzing the data pose unique challenges when conducting research into jihadists, especially active ones. This article focuses on the author's experience of interviewing both former and active jihadi foreign fighters. It is specifically intended to contribute to a better methodological understanding of conducting first-hand empirical research into jihadi foreign fighters and builds on fieldwork conducted in Sweden, Iraq, and Lebanon.  相似文献   
194.
In this paper we use comparative study of electoral systems data to understand the variation in citizens’ perceptions of political party placements on the left–right scale. We estimate multilevel models to assess the extent to which individual characteristics, party characteristics, and institutional designs contribute to variability observed in citizens’ perceptions of party placements. Because lack of information on the part of the citizens may be revealed through failure to respond to the left–right scale questions or through random components to actual placements, we develop models that include assessments of both types of responses to reduce bias from considering only one source. We find that individual-, party-, and institutional-level variables are relevant to understanding variation in citizens’ perceptions of party placements. Finally, we demonstrate that an inability to cognize the left–right scale (incognizance) and a deviation in the perceptions of party positions (perceptual deviation) have important consequences for citizens’ thermometer evaluations of political parties.  相似文献   
195.
Every four years consultants all over the world look at American presidential elections trying to unveil new techniques that can be adopted in their own countries. In 2012 databases and metrics become the cornerstone for a successful campaign and therefore, there is a need for new professionals, and for a new way of approaching the profession. The campaign for the re-election of Obama residential is a turning point not only for political communications but also for political consulting: digital revolution will open doors for a new generation of consultants not only in the United States, but also in Europe and South America.  相似文献   
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Marco Serena 《Public Choice》2017,173(1-2):131-144
In a past issue of this journal, Morgan (Public Choice 116:1–18, 2003) finds that aggregate effort is greater in sequential than in simultaneous lottery contests. We show that Morgan’s result is incorrect owing to a slip in a proof, and that aggregate effort turns out to be greater in sequential contests only if the contestants are sufficiently homogeneous. Additionally, we discuss the robustness of the corrected result to different specifications of the contest success function, and we partially restore Morgan’s case for sequential contests by showing that these contests are more desirable when maximizing only the effort of the winner, rather than maximizing the aggregate effort.  相似文献   
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The emergence of the economic and financial crisis has already shown important electoral and political consequences in southern Europe. Drawing on the experience of two bailed-out countries, Greece and Portugal, we use original data collected before and after 2008 to examine how patterns of political representation have changed during this period. We argue that austerity measures have significantly affected the way MPs represent their electorates, namely in terms of policy congruence. In addition, the economic crisis has also deepened the legitimacy crisis in both countries. Finally, we find that the short-term impact of the crisis has had a greater impact on voters' attitudes than on those of their representatives.  相似文献   
200.
This article deals with the Israeli–Palestinian conflict through an approach based on citizenship. The article considers the whole historical Palestine (Israel and the so-called Occupied Territories) as a unique unit of analysis, and suggests that the dynamics of citizenship in this area should be analysed through the exam of two fundamental dimensions, relating to membership and territory. In general, the example of the Israeli–Palestinian conflict offers the chance to address the conventional meaning of concepts such as ‘state’, ‘democracy’ and ‘citizenship’, underlying the complex dynamics of inclusion/exclusion of individuals and groups within a collective decision-making process. As far as Palestine is concerned, the centre of gravity and the horizons of the conflict are described through the notion of ‘ruptured demos’, suggesting new directions for comparative research and drawing the attention to the progressive demise of the so-called ‘two-state’ solution.  相似文献   
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